DES operations have to be brought back to a signed value

benallard · Jan 23, 2013 · a465988 · a465988
1 parent 2580f07
commit a465988
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pythoncard/security/key.py b/pythoncard/security/key.py
@@ -1,3 +1,5 @@
+from pythoncard.utils import s1
+
 def _longToArray(long):
  """
  Used to transform long to Array
@@ -29,7 +31,7 @@ def _arrayTolong(bytes):
  return l
 
 def _binaryToarray(bytes):
- return [ord(c) for c in bytes]
+ return [s1(ord(c)) for c in bytes]
 
 def _arrayTobinary(array):
  return ''.join([chr(i & 0xff) for i in array])